exchange cover meaning in English
补偿交易
补进外汇
外汇储备
Examples
- Washed air purifier working principle : siphon and using centrifugal principle will be mixed in water pure plant essential oils inhaled through its siphon principle the motor base coaxial centrifugal turbines in the bottom of straw through exchanges cover a very high - speed rotary motor , reuse centrifugal principle , will be mixed in water pure plant essential oil spray bottle in the form within a water film bile , the dust in the air and inhaled bacteria in water purification at the same time after the indoor air insufflation , quickly and efficiently by removing indoor toxin biological , dust , cigarette smoke , the smell , virus
水洗空气清新机工作原理：是利用虹吸以及离心原理；将混合于水的纯植物精油通过虹吸原理吸入其电机底座的同轴离心涡轮下部的吸管中，通过交流罩极电机高速旋转，再利用离心原理，将混合于水的纯植物精油喷在瓶胆内形成一层水膜，将空气中的灰尘以及细菌吸入水中，同时将经过净化的空气吹入室内，快速有效地去除室内的有毒素生物、灰尘、烟味、臭味、病毒等。